Fans can visit iheartradio.yahoo.com online to watch the live webcast of the iHeartRadio Music Festival or view the event on a PlayStation®3 system through the Live Events Viewer app on September 20 & 21 at 7 p.m. PST for free, anywhere in the United States. Listeners can also tune-in to their favorite Clear Channel radio station to hear the live audio stream.

Then a week later, the iHeartRadio Music Festival will be televised as a two-night primetime special on The CW Network on Monday, Sept. 30 (night one) at 8-10 p.m. EST/PST and Tuesday, Oct. 1 (night two) at 8-10 p.m. EST/PST, to launch the network's fall season.

The iHeartRadio Music Festival: Where the music of the iHeartRadio app comes to life.